
function nav2() {

    let strhtml = '';

    for (let i = 0; i < 10; i++) {
        let strhtml2 = `
        <li>
        <span></span>
        <span>电话费</span>
        </li>`;
        strhtml += strhtml2;

    }
    // console.log(strhtml);
    document.querySelector('.subnav-entry').innerHTML = strhtml;
}
nav2();